Attach proxy through panel Drag & Drop / DnD API in Premiere?

Question

I have a panel which allows users to attach files from an external system. I am implementing the drag & drop API to allow this for user convenience (there is also an add button).

For reference it is the following code:

event.dataTransfer.setData('com.adobe.cep.dnd.file.0', [path to clip]);

What I am curious about is if there is a way using the setData method to attach the proxy path for a given asset? The system I am working with generates its own proxies and being able to do this could make loading over slow connections work better. I tried a few things but it always seems to add it as a separate clip in the library instead of attaching it to the main clip.

Bruce Bullis · Accepted Answer

There's no way to pass PPro anything other than an array of file paths, via drag-n-drop.

Spoiler alert: That won't change in the foreseeable future.

For establishing full control of what happens around file import (attach proxy? set metadata? destination bin?), we recommend a "check some boxes, then click an Import button" approach.

Fun Fact™: Panels aside, dragging-and-dropping files into PPro can generate at least three different behaviors, depending on the drag destination:

Source Monitor: open in Source monitor, DO NOT import into project.

Project panel: Import file into project, into an arbitrary bin or root of project.

Timeline panel: Import file into project, add to sequence.

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